@charset "utf-8";
* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  list-style: none;
}

header {
  padding: 20px 0;
  text-align: center;
  background-color: #ccc;
}

nav {
  display: inline-block;
  font-size: 0;
}

nav ul li {
  float: left;
  margin-left: 20px;
  font-size: 24px;
}

nav ul li::after {
  content: "";
  display: block;
  clear: both;
}

nav ul li a {
  color: #000;
}

nav ul li a:hover {
  color: #87ceeb;
}

footer {
  padding: 30px 0;
  background-color: #ccc;
  font-size: 30px;
  text-align: center;
}